diff --git a/core/composer.json b/core/composer.json
index 4623e16..5313b3a 100644
--- a/core/composer.json
+++ b/core/composer.json
@@ -22,7 +22,7 @@
     "twig/twig": "1.18.*",
     "doctrine/common": "~2.4.2",
     "doctrine/annotations": "1.2.*",
-    "guzzlehttp/guzzle": "dev-master",
+    "guzzlehttp/guzzle": "dev-master#1879fbe853b0c64d109e369c7aeff09849e62d1e",
     "symfony-cmf/routing": "1.3.*",
     "easyrdf/easyrdf": "0.9.*",
     "phpunit/phpunit": "4.6.*",
@@ -31,7 +31,7 @@
     "stack/builder": "1.0.*",
     "egulias/email-validator": "1.2.*",
     "behat/mink": "~1.6",
-    "behat/mink-goutte-driver": "dev-master",
+    "behat/mink-goutte-driver": "dev-master#cc5ce119b5a8e06662f634b35967aff0b0c7dfdd",
     "fabpot/goutte": "~3.1",
     "masterminds/html5": "~2.1",
     "symfony/psr-http-message-bridge": "v0.2",
diff --git a/core/composer.lock b/core/composer.lock
index 5b24526..1dcfb73 100644
--- a/core/composer.lock
+++ b/core/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "aedf5687c5d469a84a84d264be125f78",
+    "hash": "34a206d03b9060c6f1b2895c0517792c",
     "packages": [
         {
             "name": "behat/mink",
diff --git a/core/lib/Drupal.php b/core/lib/Drupal.php
index baebc75..768f848 100644
--- a/core/lib/Drupal.php
+++ b/core/lib/Drupal.php
@@ -403,7 +403,7 @@ public static function httpClient() {
   }
 
   /**
-   * Returns a factory for guzzle HTTP clients with Drupal drupal options.
+   * Returns a factory for guzzle HTTP clients with Drupal options.
    *
    * @return \Drupal\Core\Http\ClientFactory
    */
diff --git a/core/lib/Drupal/Core/Test/EventSubscriber/HttpRequestSubscriber.php b/core/lib/Drupal/Core/Test/EventSubscriber/HttpRequestSubscriber.php
index 1f8f576..32d696d 100644
--- a/core/lib/Drupal/Core/Test/EventSubscriber/HttpRequestSubscriber.php
+++ b/core/lib/Drupal/Core/Test/EventSubscriber/HttpRequestSubscriber.php
@@ -7,7 +7,6 @@
 
 namespace Drupal\Core\Test\EventSubscriber;
 
-use Drupal\Core\Http\StackHandlerRegistrationInterface;
 use Psr\Http\Message\RequestInterface;
 
 /**